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KMID : 0607119960030010165
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Inha Medical Journal
1996 Volume.3 No. 1 p.165 ~ p.172
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A Histochemical Changes of Calf Muscle Fibers after Rat Hindlimb Suspension
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Abstract
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The purpose of this study was to investigate alterations in histochemical properties in the gastrocnemius & soles muscles of rats following hindlimb suspension for 1 week. A modification. of the Morey & Musacchia models were used to determine atrophic responses of rat muscles. The weights of rat’s whole body and of gastrocnemius and soleus muscles were affected by suspension. A reduction of type I distribution was accompanied by an increase in type II fibers. The cross sectional area of all fiber types was reduced after suspension. These results suggest that type I fibers showed greater susceptibility than type II fibers and some amount of type I fibers may be converted to type II fibers.
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